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求救 如何用bcb定义一个mapx的style对象我在BCB中定义一个mapx的style对象 CMapXStyle ls; 编译器出现: [C++ Warning] mapx5.cpp(174): W8006 Initializing Mapxlib_tlb::ExportFormatConstants with int [C++ Error] mapx5.cpp(181): E2352 Cannot create instance of abstract class 'CMapXStyle' [C++ Error] mapx5.cpp(181): E2353 Class 'CMapXStyle' is abstract because of '__stdcall IDispatch::GetTypeInfoCount(unsigned int *) = 0' 怎么解决。 |
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